package common;

import java.util.UUID;

public class UUIDUtil {
    
    public static void main(String[] args) {
        UUID x = UUID.randomUUID();
        System.out.println(x.toString().length());
        System.out.println(x.toString().replace("-",""));
        System.out.println(x.toString().replaceAll("-","").length());
    }
}
